CN219526933U - Loom heald frame connecting rod buffer structure - Google Patents

Abstract

The utility model discloses a heald frame connecting rod buffer structure of a textile machine, which is applied to an opening device of the textile machine. One end of the hook is connected with the heald frame part, and the other end of the hook is fixed at the upper end of the corresponding heald frame connecting rod; the lower ends of the heald frame connecting rods are respectively connected with one ends of the main swing arms and the auxiliary swing arms at the corresponding sides, the main swing arms and the auxiliary swing arms are connected through the connecting rods and synchronously swing around the corresponding fixed shafts respectively, the lower ends of the main swing arms are also connected with pull rods, and the outer ends of the pull rods are connected with an opening driving mechanism; the side wall of the heald frame connecting rod is provided with a long slot along the length direction. The utility model has simple structure, is beneficial to reducing the impact on heald frames and other parts in the opening movement process of the loom through deformation buffering, prolongs the service life, reduces the maintenance frequency and improves the working efficiency.

Description

Loom heald frame connecting rod buffer structure

Technical Field

The utility model relates to the technical field of textile machinery, in particular to a buffer structure of a heald frame connecting rod of a textile machine.

Background

The shedding mechanism, i.e. the heald frame mechanism, is one of the five-piece mechanisms of the loom, being an important mechanism element necessary for forming a fabric. The task is to divide the warp yarn penetrating into each page heald frame into an upper layer and a lower layer in turn according to the requirement of the fabric structure so as to form a shed, and after the weft yarn is introduced, the shed is closed, so that the warp yarn and the weft yarn form an interweaving shape. The shedding mode of the loom can be classified into a crank link shedding, a cam shedding, a multi-arm shedding, a jacquard shedding, and the like according to the driving modes. Regardless of the opening mode, the heald frame of the existing loom is generally driven by a connecting rod or a steel wire rope connected with the heald frame, so as to drive the heald wire to move up and down. In order to pursue high benefit, textile mills continuously increase the rotating speed of a loom, and the greater the impact on an shedding mechanism caused by the increase of the speed of the loom, the more easily damaged, the work efficiency is affected, and the maintenance cost is increased.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a buffer structure of a heald frame connecting rod of a textile machine.

In order to solve the technical problems, the utility model adopts the following technical scheme: a buffer structure for heald frame connecting rod of textile machine is installed in the shedding device of textile machine, which includes heald frame part and pull rod part. The draw bar part comprises a hook, a heald frame connecting rod, a main swing arm, an auxiliary swing arm, a connecting rod and a draw bar, wherein the hook is used for connecting the heald frame part, one end of the hook is connected with the heald frame part, the other end of the hook is fixed at the upper end of the corresponding heald frame connecting rod, the lower ends of the heald frame connecting rod are respectively connected with one ends of the main swing arm and the auxiliary swing arm at the corresponding sides, the main swing arm and the auxiliary swing arm are connected through the connecting rod and synchronously swing around the corresponding fixed shafts respectively, the lower end of the main swing arm is also connected with the draw bar, and the outer end of the draw bar is connected with the opening driving mechanism; the side wall of the heald frame connecting rod is provided with a long slot along the length direction.

Further, the front and rear side walls of the heald frame connecting rod are provided with oval or round or strip-shaped slotted holes which are symmetrically arranged.

Further, the upper end of the heald frame connecting rod is opened, a threaded hole is formed in the left side wall or the right side wall of the upper end of the heald frame connecting rod, a U-shaped clamping key is clamped at the upper end of the side wall on the same side with the threaded hole, a U-shaped arm I of the U-shaped clamping key is positioned in the heald frame connecting rod and extends downwards, and a U-shaped arm II of the U-shaped clamping key is hung at the outer side of the same side wall at the upper end; a fastening bolt is arranged in the threaded hole from outside to inside, an extrusion block is arranged at the inner end of the fastening bolt, and the inner side of the extrusion block props against the U-shaped arm I of the U-shaped clamping key; a compaction block is arranged in the side wall opposite to the arrangement position of the threaded hole; the lower end of the hook rod of the hook is inserted into the upper end of the heald frame connecting rod, and the locking and fixing are completed through mutual extrusion of the U-shaped clamping key and the compression block.

Further, the heald frame part is arranged on the frame of the textile machine in a vertical sliding way and comprises a heald frame and lifting lugs; the heald frame consists of an upper cross beam, a lower cross beam, left and right side rails and an upper and lower heald rod for hanging heald wires, wherein the opposite sides of the upper and lower cross beams are respectively provided with a guide plate; the lifting lugs are respectively and fixedly arranged at the lower ends of the left side gear and the right side gear, a bearing is arranged in the middle of the hexagonal lifting lug, and the edge of the lifting lug is provided with an oil filling nozzle.

Further, a hook body is arranged at the upper end of the hook, a locking block, a spring and a locking rod are arranged on the opening side of the hook body, a locking block supporting part is arranged in an outward protruding mode in the lower direction of the opening side of the hook body, the tail end of the locking block supporting part is hinged with the locking block, the locking block points to the opening of the hook body, and the spring is arranged between the locking block and the locking block supporting part; the middle part of the locking rod is hinged below the tail end of the locking block supporting part, and the upper end of the locking rod can prop against the outer part of the hinged end of the locking block; the hook body of the hook can be clamped on the hexagonal of the lifting lug and locking connection is completed.

Compared with the prior art, the utility model has the following beneficial effects: the utility model has simple structure, is beneficial to reducing the impact on heald frames and other parts in the opening movement process of the loom through deformation buffering, prolongs the service life, reduces the maintenance frequency and improves the working efficiency.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a longitudinal cross-sectional view of the structure of FIG. 1;

FIG. 3 is a front view of a heald frame connecting rod according to the utility model;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 2;

FIG. 6 is a diagram showing the connection between a hook and a shackle in the present utility model;

in the figure: 01. the heald frame part, 02, the pull rod part, 021, the hook, 022, the heald frame connecting rod, 023, the main swing arm, 024, the auxiliary swing arm, 025, the connecting rod, 026, the fixed shaft, 027, the pull rod, 101, the upper beam, 102, the lower beam, 103, the left side rail, 104, the right side rail, 105, the guide plate, 110, the lifting lug, 111, the lifting lug hexagonal, 112, the oil filler, 201, the long slot hole, 202, the U-shaped clamping key, 203, the fastening bolt, 204, the extrusion block, 205, the compression block, 221, the U-shaped arm I, 222, the U-shaped arm II, 211, the hook body, 212, the locking block supporting part, 213 locking blocks, 214, the spring, 215 and the locking rod.

Detailed Description

It should be noted that, in the description of the present utility model, the terms such as "upper", "lower", "left", "right", "front", "rear", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, but relational terms are merely determined for convenience in describing the structural relationships of the components in the present utility model, and do not particularly denote that any one of the components of the present utility model must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present utility model.

It should be further noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and include, for example, either fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings:

as shown in fig. 1 and 2, a heald frame connecting rod buffer structure of a textile machine is applied to an opening device of the textile machine, and the opening device comprises a heald frame part 01 and a pull rod part 02. The heald frame part 01 slides in a heald frame guide groove of a frame of the textile machine and comprises a heald frame and lifting lugs 110, wherein the heald frame consists of an upper cross beam 101, a lower cross beam 102, a left side rail 103, a right side rail 104 and upper and lower heald wearing rods for hanging healds, and a plurality of guide plates 105 are symmetrically arranged on the upper edge of the upper cross beam 101 and the lower edge of the lower cross beam 102; the lower ends of the left side rail 103 and the right side rail 104 are respectively fixedly provided with a lifting lug 110, a bearing is arranged in the middle of a lifting lug hexagonal 111 at the lower end part of the lifting lug 110, and a fueling nozzle is arranged on the edge.

The draw bar portion 02 includes two hooks 021 for connecting the heald frame portion 01, two heald frame links 022, and a main swing arm 023, an auxiliary swing arm 024, a link 025, and a draw bar 027. As shown in fig. 6, the hook 021 includes a hook body 211 and a hook rod, wherein the hook body 211 is positioned at the upper end of the hook rod, and is fixedly connected and can be integrally formed; the opening side of the hook body 211 is further provided with a locking piece 213, a spring 214 and a locking rod 215, wherein the lower part of the opening side of the hook body 211 is outwards provided with a locking piece supporting part 212 in a protruding manner, and the upper side of the locking piece supporting part 212 is provided with a groove; the left end of the locking piece 213 is hinged to the tail end of the locking piece supporting part 212 and is arranged in a direction towards the hook body 211, a groove is also formed in the lower side of the locking piece 213, a spring 214 is arranged in the groove, one end of the spring 214 abuts against the locking piece supporting part 212, and the other end of the spring 214 abuts against the locking piece 213; and a locking groove is provided at the left end of the locking piece 213. A locking rod 215 is hinged below the end of the locking piece support 212, and the upper end of the locking rod 215 can be embedded in a locking groove at the left end of the locking piece 213. When the hooks 021 are hung to the corresponding lifting lugs 110, the hook body 211 hooks the outside of the lifting lug hexagonal 111, after the matching, the locking piece 213 pops up under the action of the spring 214, the right end of the locking piece 213 props against one side of the lifting lug hexagonal, the left end of the locking piece 213 descends and is clamped to the upper end of the locking rod 215, and locking and hanging are completed.

The lower end of the hook rod in the hook 021 is inserted and fixed at the upper end of the corresponding heald frame connecting rod 022, and as shown in fig. 3 to 5, the upper end of the heald frame connecting rod 022 is open and hollow, oval long slot holes 201 are symmetrically arranged on the front side wall and the rear side wall of the heald frame connecting rod 022, and the oval long slot holes 201 are arranged along the length direction of the heald frame connecting rod so that the wall thickness in the middle of the heald frame connecting rod 022 is uneven and can deform at the long slot holes 201; as shown in fig. 5, a threaded hole is formed in the right side wall of the upper end portion of the heald frame connecting rod 022, a U-shaped clamping key 202 is installed at the upper end of the right side wall provided with the threaded hole in a clamping manner, a U-shaped arm one 221 in the U-shaped clamping key 202 is installed inside the heald frame connecting rod 022 and extends downwards, and the bottom end of the U-shaped arm one 221 is lower than the installation position of the threaded hole; the second U-shaped arm 222 of the U-shaped clamp key 202 is hung on the outer side of the right side wall, and the bottom end of the second U-shaped arm is higher than the arrangement position of the threaded hole; a fastening bolt 203 is arranged in the threaded hole from outside to inside, an extrusion block 204 is arranged at the inner end of the fastening bolt 203, and the inner side of the extrusion block 204 abuts against a U-shaped arm I221 of the U-shaped clamping key 202; a compression block 205 is fixedly arranged in the left side wall opposite to the arrangement position of the threaded hole. When the lower end of the hook rod of the hook 021 is inserted into the upper end of the heald frame connecting rod 022, the U-shaped clamping key 202 is pressed by adjusting the fastening bolt 203, and the U-shaped clamping key is matched with the pressing block 205 to press and finish locking and fixing the hook 021.

The lower end of the heald frame connecting rod 022 corresponding to the left side of the heald frame part 01 is hinged to one end of the auxiliary swing arm 024, the lower end of the heald frame connecting rod 022 corresponding to the right side of the heald frame part 01 is hinged to one end of the main swing arm 023, the auxiliary swing arm 024 and the main swing arm 023 swing on a fixed shaft 026 on the corresponding sides respectively, and the other end of the auxiliary swing arm 024 is connected with the other end of the main swing arm 023 through a connecting rod 025, so that synchronous movement of the auxiliary swing arm 024 and the main swing arm 023 is completed; the lower end of the main swing arm 023 is also hinged with a pull rod 027, and the outer end of the pull rod 027 is connected to the opening driving mechanism.

The specific working process is as follows: the opening driving mechanism drives the main swing arm 023 to swing around the corresponding fixed shaft 026 through the pull rod 027, and synchronously drives the auxiliary swing arm 024 to swing through the connecting rod 025, and the swing of the main swing arm 023 and the auxiliary swing arm 024 drives the heald frame connecting rod 022 to move up and down, so that the hook 021 is driven to move up and down, and the hook 021 and the hanging of the lifting lug 110 drive the heald frame to slide up and down along the heald frame guide groove on the frame of the textile machine, so that the weaving opening and heald flat movement is realized. The acceleration is maximum when the heald frame moves to the top end and the bottom end, the generated impact force is also maximum, and the impact on the heald frame, the pull rod and other shedding mechanisms is reduced through the deformation generated by the stress of the heald frame connecting rod 022 at the long groove hole 201, so that the service life of the shedding mechanism is prolonged.

As another embodiment of the present utility model, the front and rear side walls of the heald frame connecting rod 022 are symmetrically provided with arc-shaped elongated slots 201, and other related technical features are unchanged.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims (5)

1. The utility model provides a loom heald frame connecting rod buffer structure installs in the shedding device of loom, and this shedding device includes heald frame part and pull rod part, its characterized in that: the draw bar part comprises a hook, a heald frame connecting rod, a main swing arm, an auxiliary swing arm, a connecting rod and a draw bar, wherein the hook is used for connecting the heald frame part, one end of the hook is connected with the heald frame part, the other end of the hook is fixed at the upper end of the corresponding heald frame connecting rod, the lower ends of the heald frame connecting rod are respectively connected with one ends of the main swing arm and the auxiliary swing arm at the corresponding sides, the main swing arm and the auxiliary swing arm are connected through the connecting rod and synchronously swing around the corresponding fixed shafts respectively, the lower end of the main swing arm is also connected with the draw bar, and the outer end of the draw bar is connected with the opening driving mechanism; the side wall of the heald frame connecting rod is provided with a long slot along the length direction.

2. The buffer structure of heald frame connecting rod of textile machine according to claim 1, wherein: the front and rear side walls of the heald frame connecting rod are provided with oval or round or strip-shaped slotted holes which are symmetrically arranged.

3. The buffer structure of heald frame connecting rod of textile machine according to claim 1, wherein: the upper end of the heald frame connecting rod is provided with an opening, a threaded hole is formed in the left side wall or the right side wall of the upper end of the heald frame connecting rod, a U-shaped clamping key is clamped at the upper end of the side wall on the same side with the threaded hole, a U-shaped arm I of the U-shaped clamping key is positioned in the heald frame connecting rod and extends downwards, and a U-shaped arm II of the U-shaped clamping key is hung at the outer side of the same side wall at the upper end; a fastening bolt is arranged in the threaded hole from outside to inside, an extrusion block is arranged at the inner end of the fastening bolt, and the inner side of the extrusion block props against the U-shaped arm I of the U-shaped clamping key; a compaction block is arranged in the side wall opposite to the arrangement position of the threaded hole; the lower end of the hook rod of the hook is inserted into the upper end of the heald frame connecting rod, and the locking and fixing are completed through mutual extrusion of the U-shaped clamping key and the compression block.

4. The buffer structure of heald frame connecting rod of textile machine according to claim 1, wherein: the heald frame part is arranged on the frame of the textile machine in a vertical sliding way and comprises a heald frame and lifting lugs; the heald frame consists of an upper cross beam, a lower cross beam, left and right side rails and an upper and lower heald rod for hanging heald wires, wherein the opposite sides of the upper and lower cross beams are respectively provided with a guide plate; the lifting lugs are respectively and fixedly arranged at the lower ends of the left side gear and the right side gear, a bearing is arranged in the middle of the hexagonal lifting lug, and the edge of the lifting lug is provided with an oil filling nozzle.

5. The buffer structure of heald frame connecting rod of textile machine according to claim 1, wherein: the upper end of the hook is provided with a hook body, the opening side of the hook body is provided with a locking block, a spring and a locking rod, a locking block supporting part is arranged in an outward protruding mode from the lower direction of the opening side of the hook body, the tail end of the locking block supporting part is hinged with the locking block, the locking block points to the opening of the hook body, and the spring is arranged between the locking block and the locking block supporting part; the middle part of the locking rod is hinged below the tail end of the locking block supporting part, and the upper end of the locking rod can prop against the outer part of the hinged end of the locking block; the hook body of the hook can be clamped on the hexagonal of the lifting lug and locking connection is completed.